import time
def bubble_sort(nums):
    swapped = True
    while swapped:
        swapped = False
        for i in range (len(nums) - 1):
            if nums[i] > nums[i + 1]:
             nums[i], nums[i + 1] = nums[i + 1], nums[i]
             swapped = True

def read2list(filename):
    file = open(filename, 'r')
    data = file.readlines()
    return data

m1 = read2list("m1_sorted.txt")
m2 = read2list("m2_reverse.txt")
m3 = read2list("m3_shuffle.txt")

t_start = time.time()
bubble_sort(m1)
t_finish = time.time()
print("m1_sorted",round((t_finish-t_start)*1000),"milliseconds")

t_start = time.time()
bubble_sort(m2)
t_finish = time.time()
print("m2_reverse",round((t_finish-t_start)*1000),"milliseconds")

t_start = time.time()
bubble_sort(m3)
t_finish = time.time()
print("m3_reverse",round((t_finish-t_start)*1000),"milliseconds")
